Storage rack



FIG. 1 is a top, front, right perspective view of a storage rack showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines immediately adjacent to the shaded area define the bounds of the claimed design and form no part thereof. The broken lines depicting the remainder of the storage rack show features that form no part of the claimed design. 

CLAIM The ornamental design for a storage rack, as shown and described. 